/**
 * Copyright (c) 2011 by Kevin Bierhoff.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    1. Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *    3. Neither the names of the authors nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.googlecode.syper.test.jmlsyp.parsing;

import edu.cmu.cs.crystal.annotations.FailingTest;
import edu.cmu.cs.crystal.annotations.UseAnalyses;

/**
 * Failing tests for multiple JML behavioral contract "cases" on a single method.
 * TODO test body cases {| ... |} and inherited contracts
 * @author kevin
 * @since Jun 5, 2011
 */
@FailingTest(3)
@UseAnalyses("SymbolicChecker")
public class MultipleContractsFail {
	
	private int f;

	//@ ensures this.f == f;
	private MultipleContractsFail(int f) {
		this.f = f;
	}
	
	// this is just so f gets used somewhere other than in the JML spec below
	public int getF() { return f; }

	/**
	 * Tests method declaring two specification cases (with wrong implementation).
	 * @param m
	 * @param dflt
	 * @return {@link #f} or {@code dflt} if {@code m} is {@code null}
	 */
	//@ normal_behavior
	//@  	requires m == null;
	//@  	ensures \result == dflt;
	//@ also
	//@ normal_behavior
	//@  	requires m != null;
	//@  	ensures \result == m.f;
	public static int safeGetF(MultipleContractsFail m, int dflt) {
		return dflt;
	}

	/**
	 * Test program exercising the cases in {@link #safeGetF(MultipleContractsFail, int)}
	 */
	public static void testClientThatSafelyGetsF() {
		assert safeGetF(null, 0) == 5;
		assert safeGetF(new MultipleContractsFail(5), 0) == 0;
	}
}
